Across |

1. | an instrument used to construct and measure angles |

4. | identify a position |

8. | a triangle with 2 equal sides |

10. | a 4 sided figure with 2 parallel lines |

13. | a 4 sided figure with 4 equal sides and 2 sets of parallel lines |

15. | a polygon where all the sides are the same length |

16. | an angle that measures between 90 and 180 degrees |

18. | the construction of figures and the study of their properties |

21. | a 4 sided figure with 2 sets of equal lines and 2 sets of parallel lines |

22. | angles that sum 180 degres that form a C pattern |

25. | a triangle with a 90 degree angle |

26. | divides an angle into 2 equal parts at right angles |

28. | a triangle with no equal sides |

29. | begins at the endpoint and goes on forever in one direction |

30. | lines that cross eachother at a 90 degree angle |

33. | an instrument used to bisect angles |

36. | lines that will never cross eachother |

37. | formed by 2 rays or line segments with a common endpoint |

39. | a triangle with 3 equal sides |

40. | equal angles that form a F patter |

41. | angles that are formed when two lines intersect eachother .They are always equal. |

43. | the sum of the interior angles of a quadrilateral |

44. | a triangle with 1 angle that is between 90 and 180 degrees |